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w in (-oo:+oo)
18 = 8-(w/32)+12 // - 8-(w/32)+12
w/32-12-8+18 = 0
1/32*w-2 = 0 // + 2
1/32*w = 2 // : 1/32
w = 2/1/32
w = 64
w = 64
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